I ought to tub you ought to tub she ought to tub we ought to tub you ought to tub they ought to tub
V-ing form
I ought to be tubbing you ought to be tubbing she ought to be tubbing we ought to be tubbing you ought to be tubbing they ought to be tubbing
Perfect
I ought to have tubbed you ought to have tubbed she ought to have tubbed we ought to have tubbed you ought to have tubbed they ought to have tubbed
V-ing perfect
I ought to have been tubbing you ought to have been tubbing she ought to have been tubbing we ought to have been tubbing you ought to have been tubbing they ought to have been tubbing
Negation
Simple form
I oughtn't to tub you oughtn't to tub she oughtn't to tub we oughtn't to tub you oughtn't to tub they oughtn't to tub
V-ing form
I oughtn't to be tubbing you oughtn't to be tubbing she oughtn't to be tubbing we oughtn't to be tubbing you oughtn't to be tubbing they oughtn't to be tubbing
Perfect
I oughtn't to have tubbed you oughtn't to have tubbed she oughtn't to have tubbed we oughtn't to have tubbed you oughtn't to have tubbed they oughtn't to have tubbed
V-ing perfect
I oughtn't to have been tubbing you oughtn't to have been tubbing she oughtn't to have been tubbing we oughtn't to have been tubbing you oughtn't to have been tubbing they oughtn't to have been tubbing
Interrogative form
Simple form
ought to I tub? ought to you tub? ought to she tub? ought to we tub? ought to you tub? ought to they tub?
V-ing form
ought to I be tubbing? ought to you be tubbing? ought to she be tubbing? ought to we be tubbing? ought to you be tubbing? ought to they be tubbing?
Perfect
ought to I have tubbed? ought to you have tubbed? ought to she have tubbed? ought to we have tubbed? ought to you have tubbed? ought to they have tubbed?
V-ing perfect
ought to I have been tubbing? ought to you have been tubbing? ought to she have been tubbing? ought to we have been tubbing? ought to you have been tubbing? ought to they have been tubbing?
Interro-negative form
Simple form
oughtn't I to tub? oughtn't you to tub? oughtn't she to tub? oughtn't we to tub? oughtn't you to tub? oughtn't they to tub?
V-ing form
oughtn't I to be tubbing? oughtn't you to be tubbing? oughtn't she to be tubbing? oughtn't we to be tubbing? oughtn't you to be tubbing? oughtn't they to be tubbing?
Perfect
oughtn't I to have tubbed? oughtn't you to have tubbed? oughtn't she to have tubbed? oughtn't we to have tubbed? oughtn't you to have tubbed? oughtn't they to have tubbed?
V-ing perfect
oughtn't I to have been tubbing? oughtn't you to have been tubbing? oughtn't she to have been tubbing? oughtn't we to have been tubbing? oughtn't you to have been tubbing? oughtn't they to have been tubbing?